#ifndef LDK_C_BINDINGS_H
#define LDK_C_BINDINGS_H
-/* Generated with cbindgen:0.20.0 */
+/* Generated with cbindgen:0.24.3 */
/* Warning, this file is autogenerated by cbindgen. Don't modify this manually. */
};
} LDKCOption_u64Z;
+/**
+ * A dynamically-allocated array of u64s of arbitrary size.
+ * This corresponds to std::vector in C++
+ */
+typedef struct LDKCVec_u64Z {
+ /**
+ * The elements in the array.
+ * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc().
+ */
+ uint64_t *data;
+ /**
+ * The number of elements pointed to by `data`.
+ */
+ uintptr_t datalen;
+} LDKCVec_u64Z;
+
/**
bool result_ok;
} LDKCResult_COption_ClosureReasonZDecodeErrorZ;
+/**
+ * Intended destination of a failed HTLC as indicated in [`Event::HTLCHandlingFailed`].
+ */
+typedef enum LDKHTLCDestination_Tag {
+ /**
+ * We tried forwarding to a channel but failed to do so. An example of such an instance is when
+ * there is insufficient capacity in our outbound channel.
+ */
+ LDKHTLCDestination_NextHopChannel,
+ /**
+ * Scenario where we are unsure of the next node to forward the HTLC to.
+ */
+ LDKHTLCDestination_UnknownNextHop,
+ /**
+ * Failure scenario where an HTLC may have been forwarded to be intended for us,
+ * but is invalid for some reason, so we reject it.
+ *
+ * Some of the reasons may include:
+ * * HTLC Timeouts
+ * * Expected MPP amount to claim does not equal HTLC total
+ * * Claimable amount does not match expected amount
+ */
+ LDKHTLCDestination_FailedPayment,
+ /**
+ * Must be last for serialization purposes
+ */
+ LDKHTLCDestination_Sentinel,
+} LDKHTLCDestination_Tag;
+
+typedef struct LDKHTLCDestination_LDKNextHopChannel_Body {
+ /**
+ * The `node_id` of the next node. For backwards compatibility, this field is
+ * marked as optional, versions prior to 0.0.110 may not always be able to provide
+ * counterparty node information.
+ *
+ * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+ struct LDKPublicKey node_id;
+ /**
+ * The outgoing `channel_id` between us and the next node.
+ */
+ struct LDKThirtyTwoBytes channel_id;
+} LDKHTLCDestination_LDKNextHopChannel_Body;
+
+typedef struct LDKHTLCDestination_LDKUnknownNextHop_Body {
+ /**
+ * Short channel id we are requesting to forward an HTLC to.
+ */
+ uint64_t requested_forward_scid;
+} LDKHTLCDestination_LDKUnknownNextHop_Body;
+
+typedef struct LDKHTLCDestination_LDKFailedPayment_Body {
+ /**
+ * The payment hash of the payment we attempted to process.
+ */
+ struct LDKThirtyTwoBytes payment_hash;
+} LDKHTLCDestination_LDKFailedPayment_Body;
+
+typedef struct MUST_USE_STRUCT LDKHTLCDestination {
+ LDKHTLCDestination_Tag tag;
+ union {
+ LDKHTLCDestination_LDKNextHopChannel_Body next_hop_channel;
+ LDKHTLCDestination_LDKUnknownNextHop_Body unknown_next_hop;
+ LDKHTLCDestination_LDKFailedPayment_Body failed_payment;
+ };
+} LDKHTLCDestination;
+
+/**
+ * An enum which can either contain a crate::lightning::util::events::HTLCDestination or not
+ */
+typedef enum LDKCOption_HTLCDestinationZ_Tag {
+ /**
+ * When we're in this state, this COption_HTLCDestinationZ contains a crate::lightning::util::events::HTLCDestination
+ */
+ LDKCOption_HTLCDestinationZ_Some,
+ /**
+ * When we're in this state, this COption_HTLCDestinationZ contains nothing
+ */
+ LDKCOption_HTLCDestinationZ_None,
+ /**
+ * Must be last for serialization purposes
+ */
+ LDKCOption_HTLCDestinationZ_Sentinel,
+} LDKCOption_HTLCDestinationZ_Tag;
+
+typedef struct LDKCOption_HTLCDestinationZ {
+ LDKCOption_HTLCDestinationZ_Tag tag;
+ union {
+ struct {
+ struct LDKHTLCDestination some;
+ };
+ };
+} LDKCOption_HTLCDestinationZ;
+
+/**
+ * The contents of CResult_COption_HTLCDestinationZDecodeErrorZ
+ */
+typedef union LDKCResult_COption_HTLCDestinationZDecodeErrorZPtr {
+ /**
+ * A pointer to the contents in the success state.
+ * Reading from this pointer when `result_ok` is not set is undefined.
+ */
+ struct LDKCOption_HTLCDestinationZ *result;
+ /**
+ * A pointer to the contents in the error state.
+ * Reading from this pointer when `result_ok` is set is undefined.
+ */
+ struct LDKDecodeError *err;
+} LDKCResult_COption_HTLCDestinationZDecodeErrorZPtr;
+
+/**
+ * A CResult_COption_HTLCDestinationZDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::c_types::derived::COption_HTLCDestinationZ on success and a crate::lightning::ln::msgs::DecodeError on failure.
+ * `result_ok` indicates the overall state, and the contents are provided via `contents`.
+ */
+typedef struct LDKCResult_COption_HTLCDestinationZDecodeErrorZ {
+ /**
+ * The contents of this CResult_COption_HTLCDestinationZDecodeErrorZ, accessible via either
+ * `err` or `result` depending on the state of `result_ok`.
+ */
+ union LDKCResult_COption_HTLCDestinationZDecodeErrorZPtr contents;
+ /**
+ * Whether this CResult_COption_HTLCDestinationZDecodeErrorZ represents a success state.
+ */
+ bool result_ok;
+} LDKCResult_COption_HTLCDestinationZDecodeErrorZ;
+
/**
* [`all_paths_failed`]: Self::PaymentPathFailed::all_paths_failed
*/
LDKEvent_PaymentPathFailed,
+ /**
+ * Indicates that a probe payment we sent returned successful, i.e., only failed at the destination.
+ */
+ LDKEvent_ProbeSuccessful,
+ /**
+ * Indicates that a probe payment we sent failed at an intermediary node on the path.
+ */
+ LDKEvent_ProbeFailed,
/**
* Used to indicate that [`ChannelManager::process_pending_htlc_forwards`] should be called at
* a time in the future.
* Indicates a request to open a new channel by a peer.
*
* To accept the request, call [`ChannelManager::accept_inbound_channel`]. To reject the
- * request, call [`ChannelManager::force_close_channel`].
+ * request, call [`ChannelManager::force_close_without_broadcasting_txn`].
*
* The event is only triggered when a new open channel request is received and the
* [`UserConfig::manually_accept_inbound_channels`] config flag is set to true.
*
* [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel
- * [`ChannelManager::force_close_channel`]: crate::ln::channelmanager::ChannelManager::force_close_channel
+ * [`ChannelManager::force_close_without_broadcasting_txn`]: crate::ln::channelmanager::ChannelManager::force_close_without_broadcasting_txn
* [`UserConfig::manually_accept_inbound_channels`]: crate::util::config::UserConfig::manually_accept_inbound_channels
*/
LDKEvent_OpenChannelRequest,
+ /**
+ * Indicates that the HTLC was accepted, but could not be processed when or after attempting to
+ * forward it.
+ *
+ * Some scenarios where this event may be sent include:
+ * * Insufficient capacity in the outbound channel
+ * * While waiting to forward the HTLC, the channel it is meant to be forwarded through closes
+ * * When an unknown SCID is requested for forwarding a payment.
+ * * Claiming an amount for an MPP payment that exceeds the HTLC total
+ * * The HTLC has timed out
+ *
+ * This event, however, does not get generated if an HTLC fails to meet the forwarding
+ * requirements (i.e. insufficient fees paid, or a CLTV that is too soon).
+ */
+ LDKEvent_HTLCHandlingFailed,
/**
* Must be last for serialization purposes
*/
struct LDKRouteParameters retry;
} LDKEvent_LDKPaymentPathFailed_Body;
+typedef struct LDKEvent_LDKProbeSuccessful_Body {
+ /**
+ * The id returned by [`ChannelManager::send_probe`].
+ *
+ * [`ChannelManager::send_probe`]: crate::ln::channelmanager::ChannelManager::send_probe
+ */
+ struct LDKThirtyTwoBytes payment_id;
+ /**
+ * The hash generated by [`ChannelManager::send_probe`].
+ *
+ * [`ChannelManager::send_probe`]: crate::ln::channelmanager::ChannelManager::send_probe
+ */
+ struct LDKThirtyTwoBytes payment_hash;
+ /**
+ * The payment path that was successful.
+ */
+ struct LDKCVec_RouteHopZ path;
+} LDKEvent_LDKProbeSuccessful_Body;
+
+typedef struct LDKEvent_LDKProbeFailed_Body {
+ /**
+ * The id returned by [`ChannelManager::send_probe`].
+ *
+ * [`ChannelManager::send_probe`]: crate::ln::channelmanager::ChannelManager::send_probe
+ */
+ struct LDKThirtyTwoBytes payment_id;
+ /**
+ * The hash generated by [`ChannelManager::send_probe`].
+ *
+ * [`ChannelManager::send_probe`]: crate::ln::channelmanager::ChannelManager::send_probe
+ */
+ struct LDKThirtyTwoBytes payment_hash;
+ /**
+ * The payment path that failed.
+ */
+ struct LDKCVec_RouteHopZ path;
+ /**
+ * The channel responsible for the failed probe.
+ *
+ * Note that for route hints or for the first hop in a path this may be an SCID alias and
+ * may not refer to a channel in the public network graph. These aliases may also collide
+ * with channels in the public network graph.
+ */
+ struct LDKCOption_u64Z short_channel_id;
+} LDKEvent_LDKProbeFailed_Body;
+
typedef struct LDKEvent_LDKPendingHTLCsForwardable_Body {
/**
* The minimum amount of time that should be waited prior to calling
*
* When responding to the request, the `temporary_channel_id` should be passed
* back to the ChannelManager through [`ChannelManager::accept_inbound_channel`] to accept,
- * or through [`ChannelManager::force_close_channel`] to reject.
+ * or through [`ChannelManager::force_close_without_broadcasting_txn`] to reject.
*
* [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel
- * [`ChannelManager::force_close_channel`]: crate::ln::channelmanager::ChannelManager::force_close_channel
+ * [`ChannelManager::force_close_without_broadcasting_txn`]: crate::ln::channelmanager::ChannelManager::force_close_without_broadcasting_txn
*/
struct LDKThirtyTwoBytes temporary_channel_id;
/**
*
* When responding to the request, the `counterparty_node_id` should be passed
* back to the `ChannelManager` through [`ChannelManager::accept_inbound_channel`] to
- * accept the request, or through [`ChannelManager::force_close_channel`] to reject the
+ * accept the request, or through [`ChannelManager::force_close_without_broadcasting_txn`] to reject the
* request.
*
* [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel
- * [`ChannelManager::force_close_channel`]: crate::ln::channelmanager::ChannelManager::force_close_channel
+ * [`ChannelManager::force_close_without_broadcasting_txn`]: crate::ln::channelmanager::ChannelManager::force_close_without_broadcasting_txn
*/
struct LDKPublicKey counterparty_node_id;
/**
struct LDKChannelTypeFeatures channel_type;
} LDKEvent_LDKOpenChannelRequest_Body;
+typedef struct LDKEvent_LDKHTLCHandlingFailed_Body {
+ /**
+ * The channel over which the HTLC was received.
+ */
+ struct LDKThirtyTwoBytes prev_channel_id;
+ /**
+ * Destination of the HTLC that failed to be processed.
+ */
+ struct LDKHTLCDestination failed_next_destination;
+} LDKEvent_LDKHTLCHandlingFailed_Body;
+
typedef struct MUST_USE_STRUCT LDKEvent {
LDKEvent_Tag tag;
union {
LDKEvent_LDKPaymentFailed_Body payment_failed;
LDKEvent_LDKPaymentPathSuccessful_Body payment_path_successful;
LDKEvent_LDKPaymentPathFailed_Body payment_path_failed;
+ LDKEvent_LDKProbeSuccessful_Body probe_successful;
+ LDKEvent_LDKProbeFailed_Body probe_failed;
LDKEvent_LDKPendingHTLCsForwardable_Body pending_htl_cs_forwardable;
LDKEvent_LDKSpendableOutputs_Body spendable_outputs;
LDKEvent_LDKPaymentForwarded_Body payment_forwarded;
LDKEvent_LDKChannelClosed_Body channel_closed;
LDKEvent_LDKDiscardFunding_Body discard_funding;
LDKEvent_LDKOpenChannelRequest_Body open_channel_request;
+ LDKEvent_LDKHTLCHandlingFailed_Body htlc_handling_failed;
};
} LDKEvent;
} LDKCVec_MonitorEventZ;
/**
- * A tuple of 2 elements. See the individual fields for the types contained.
+ * A tuple of 3 elements. See the individual fields for the types contained.
*/
-typedef struct LDKC2Tuple_OutPointCVec_MonitorEventZZ {
+typedef struct LDKC3Tuple_OutPointCVec_MonitorEventZPublicKeyZ {
/**
* The element at position 0
*/
* The element at position 1
*/
struct LDKCVec_MonitorEventZ b;
-} LDKC2Tuple_OutPointCVec_MonitorEventZZ;
+ /**
+ * The element at position 2
+ */
+ struct LDKPublicKey c;
+} LDKC3Tuple_OutPointCVec_MonitorEventZPublicKeyZ;
/**
- * A dynamically-allocated array of crate::c_types::derived::C2Tuple_OutPointCVec_MonitorEventZZs of arbitrary size.
+ * A dynamically-allocated array of crate::c_types::derived::C3Tuple_OutPointCVec_MonitorEventZPublicKeyZs of arbitrary size.
* This corresponds to std::vector in C++
*/
-typedef struct LDKCVec_C2Tuple_OutPointCVec_MonitorEventZZZ {
+typedef struct LDKCVec_C3Tuple_OutPointCVec_MonitorEventZPublicKeyZZ {
/**
* The elements in the array.
* If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc().
*/
- struct LDKC2Tuple_OutPointCVec_MonitorEventZZ *data;
+ struct LDKC3Tuple_OutPointCVec_MonitorEventZPublicKeyZ *data;
/**
* The number of elements pointed to by `data`.
*/
uintptr_t datalen;
-} LDKCVec_C2Tuple_OutPointCVec_MonitorEventZZZ;
+} LDKCVec_C3Tuple_OutPointCVec_MonitorEventZPublicKeyZZ;
/**
* An enum which can either contain a crate::c_types::derived::C2Tuple_usizeTransactionZ or not
bool result_ok;
} LDKCResult_FixedPenaltyScorerDecodeErrorZ;
+/**
+ * A tuple of 2 elements. See the individual fields for the types contained.
+ */
+typedef struct LDKC2Tuple_u64u64Z {
+ /**
+ * The element at position 0
+ */
+ uint64_t a;
+ /**
+ * The element at position 1
+ */
+ uint64_t b;
+} LDKC2Tuple_u64u64Z;
+
+/**
+ * An enum which can either contain a crate::c_types::derived::C2Tuple_u64u64Z or not
+ */
+typedef enum LDKCOption_C2Tuple_u64u64ZZ_Tag {
+ /**
+ * When we're in this state, this COption_C2Tuple_u64u64ZZ contains a crate::c_types::derived::C2Tuple_u64u64Z
+ */
+ LDKCOption_C2Tuple_u64u64ZZ_Some,
+ /**
+ * When we're in this state, this COption_C2Tuple_u64u64ZZ contains nothing
+ */
+ LDKCOption_C2Tuple_u64u64ZZ_None,
+ /**
+ * Must be last for serialization purposes
+ */
+ LDKCOption_C2Tuple_u64u64ZZ_Sentinel,
+} LDKCOption_C2Tuple_u64u64ZZ_Tag;
+
+typedef struct LDKCOption_C2Tuple_u64u64ZZ {
+ LDKCOption_C2Tuple_u64u64ZZ_Tag tag;
+ union {
+ struct {
+ struct LDKC2Tuple_u64u64Z some;
+ };
+ };
+} LDKCOption_C2Tuple_u64u64ZZ;
+
+
+
+/**
+ * Represents the compressed public key of a node
+ */
+typedef struct MUST_USE_STRUCT LDKNodeId {
+ /**
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeNodeId *inner;
+ /**
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
+ */
+ bool is_owned;
+} LDKNodeId;
+
+/**
+ * A dynamically-allocated array of crate::lightning::routing::gossip::NodeIds of arbitrary size.
+ * This corresponds to std::vector in C++
+ */
+typedef struct LDKCVec_NodeIdZ {
+ /**
+ * The elements in the array.
+ * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc().
+ */
+ struct LDKNodeId *data;
+ /**
+ * The number of elements pointed to by `data`.
+ */
+ uintptr_t datalen;
+} LDKCVec_NodeIdZ;
+
/**
bool result_ok;
} LDKCResult_ChannelTypeFeaturesDecodeErrorZ;
-
-
-/**
- * Represents the compressed public key of a node
- */
-typedef struct MUST_USE_STRUCT LDKNodeId {
- /**
- * A pointer to the opaque Rust object.
- * Nearly everywhere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeNodeId *inner;
- /**
- * Indicates that this is the only struct which contains the same pointer.
- * Rust functions which take ownership of an object provided via an argument require
- * this to be true and invalidate the object pointed to by inner.
- */
- bool is_owned;
-} LDKNodeId;
-
/**
* The contents of CResult_NodeIdDecodeErrorZ
*/
uint8_t data[12];
} LDKTwelveBytes;
+
+
+/**
+ * Represents a hostname for serialization purposes.
+ * Only the character set and length will be validated.
+ * The character set consists of ASCII alphanumeric characters, hyphens, and periods.
+ * Its length is guaranteed to be representable by a single byte.
+ * This serialization is used by BOLT 7 hostnames.
+ */
+typedef struct MUST_USE_STRUCT LDKHostname {
+ /**
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeHostname *inner;
+ /**
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
+ */
+ bool is_owned;
+} LDKHostname;
+
/**
* An address which can be used to connect to a remote peer
*/
* wrap as base32 and append \".onion\".
*/
LDKNetAddress_OnionV3,
+ /**
+ * A hostname/port on which the peer is listening.
+ */
+ LDKNetAddress_Hostname,
/**
* Must be last for serialization purposes
*/
uint16_t port;
} LDKNetAddress_LDKOnionV3_Body;
+typedef struct LDKNetAddress_LDKHostname_Body {
+ /**
+ * The hostname on which the node is listening.
+ */
+ struct LDKHostname hostname;
+ /**
+ * The port on which the node is listening.
+ */
+ uint16_t port;
+} LDKNetAddress_LDKHostname_Body;
+
typedef struct MUST_USE_STRUCT LDKNetAddress {
LDKNetAddress_Tag tag;
union {
struct LDKTwelveBytes onion_v2;
};
LDKNetAddress_LDKOnionV3_Body onion_v3;
+ LDKNetAddress_LDKHostname_Body hostname;
};
} LDKNetAddress;
bool result_ok;
} LDKCResult_NodeAnnouncementInfoDecodeErrorZ;
+
+
/**
- * A dynamically-allocated array of u64s of arbitrary size.
- * This corresponds to std::vector in C++
+ * A user-defined name for a node, which may be used when displaying the node in a graph.
+ *
+ * Since node aliases are provided by third parties, they are a potential avenue for injection
+ * attacks. Care must be taken when processing.
*/
-typedef struct LDKCVec_u64Z {
+typedef struct MUST_USE_STRUCT LDKNodeAlias {
/**
- * The elements in the array.
- * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc().
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
*/
- uint64_t *data;
+ LDKnativeNodeAlias *inner;
/**
- * The number of elements pointed to by `data`.
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
*/
- uintptr_t datalen;
-} LDKCVec_u64Z;
+ bool is_owned;
+} LDKNodeAlias;
+
+/**
+ * The contents of CResult_NodeAliasDecodeErrorZ
+ */
+typedef union LDKCResult_NodeAliasDecodeErrorZPtr {
+ /**
+ * A pointer to the contents in the success state.
+ * Reading from this pointer when `result_ok` is not set is undefined.
+ */
+ struct LDKNodeAlias *result;
+ /**
+ * A pointer to the contents in the error state.
+ * Reading from this pointer when `result_ok` is set is undefined.
+ */
+ struct LDKDecodeError *err;
+} LDKCResult_NodeAliasDecodeErrorZPtr;
+
+/**
+ * A CResult_NodeAliasDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::lightning::routing::gossip::NodeAlias on success and a crate::lightning::ln::msgs::DecodeError on failure.
+ * `result_ok` indicates the overall state, and the contents are provided via `contents`.
+ */
+typedef struct LDKCResult_NodeAliasDecodeErrorZ {
+ /**
+ * The contents of this CResult_NodeAliasDecodeErrorZ, accessible via either
+ * `err` or `result` depending on the state of `result_ok`.
+ */
+ union LDKCResult_NodeAliasDecodeErrorZPtr contents;
+ /**
+ * Whether this CResult_NodeAliasDecodeErrorZ represents a success state.
+ */
+ bool result_ok;
+} LDKCResult_NodeAliasDecodeErrorZ;
bool result_ok;
} LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ;
+/**
+ * A dynamically-allocated array of crate::c_types::ThirtyTwoBytess of arbitrary size.
+ * This corresponds to std::vector in C++
+ */
+typedef struct LDKCVec_ThirtyTwoBytesZ {
+ /**
+ * The elements in the array.
+ * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc().
+ */
+ struct LDKThirtyTwoBytes *data;
+ /**
+ * The number of elements pointed to by `data`.
+ */
+ uintptr_t datalen;
+} LDKCVec_ThirtyTwoBytesZ;
+
/**
* A tuple of 2 elements. See the individual fields for the types contained.
*/
* For details on asynchronous [`ChannelMonitor`] updating and returning
* [`MonitorEvent::UpdateCompleted`] here, see [`ChannelMonitorUpdateErr::TemporaryFailure`].
*/
- struct LDKCVec_C2Tuple_OutPointCVec_MonitorEventZZZ (*release_pending_monitor_events)(const void *this_arg);
+ struct LDKCVec_C3Tuple_OutPointCVec_MonitorEventZPublicKeyZZ (*release_pending_monitor_events)(const void *this_arg);
/**
* Frees any resources associated with this object given its this_arg pointer.
* Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
*/
void *this_arg;
/**
- * Get node secret key (aka node_id or network_key) based on the provided [`Recipient`].
+ * Get node secret key based on the provided [`Recipient`].
+ *
+ * The node_id/network_key is the public key that corresponds to this secret key.
*
* This method must return the same value each time it is called with a given `Recipient`
* parameter.
/**
* Gets estimated satoshis of fee required per 1000 Weight-Units.
*
- * Must return a value no smaller than 253 (ie 1 satoshi-per-byte rounded up to ensure later
- * round-downs don't put us below 1 satoshi-per-byte).
+ * LDK will wrap this method and ensure that the value returned is no smaller than 253
+ * (ie 1 satoshi-per-byte rounded up to ensure later round-downs don't put us below 1 satoshi-per-byte).
*
- * This method can be implemented with the following unit conversions:
- * * max(satoshis-per-byte * 250, 253)
- * * max(satoshis-per-kbyte / 4, 253)
+ * The following unit conversions can be used to convert to sats/KW:
+ * * satoshis-per-byte * 250
+ * * satoshis-per-kbyte / 4
*/
uint32_t (*get_est_sat_per_1000_weight)(const void *this_arg, enum LDKConfirmationTarget confirmation_target);
/**
* Handles updating channel penalties after successfully routing along a path.
*/
void (*payment_path_successful)(void *this_arg, struct LDKCVec_RouteHopZ path);
+ /**
+ * Handles updating channel penalties after a probe over the given path failed.
+ */
+ void (*probe_failed)(void *this_arg, struct LDKCVec_RouteHopZ path, uint64_t short_channel_id);
+ /**
+ * Handles updating channel penalties after a probe over the given path succeeded.
+ */
+ void (*probe_successful)(void *this_arg, struct LDKCVec_RouteHopZ path);
/**
* Serialize the object into a byte array
*/
* The funding amount denominated in millisatoshi.
*/
uint64_t capacity_msat;
+ /**
+ * The maximum HTLC amount denominated in millisatoshi.
+ */
+ struct LDKCOption_u64Z htlc_maximum_msat;
} LDKEffectiveCapacity_LDKTotal_Body;
typedef struct MUST_USE_STRUCT LDKEffectiveCapacity {
*
* Used to configure base, liquidity, and amount penalties, the sum of which comprises the channel
* penalty (i.e., the amount in msats willing to be paid to avoid routing through the channel).
+ *
+ * The penalty applied to any channel by the [`ProbabilisticScorer`] is the sum of each of the
+ * parameters here.
*/
typedef struct MUST_USE_STRUCT LDKProbabilisticScoringParameters {
/**
extern const uint64_t MIN_RELAY_FEE_SAT_PER_1000_WEIGHT;
+extern const uint32_t FEERATE_FLOOR_SATS_PER_KW;
+
extern const uint64_t CLOSED_CHANNEL_UPDATE_ID;
extern const uint32_t ANTI_REORG_DELAY;
extern const uint32_t DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA;
+extern const uint8_t DEFAULT_MAX_PATH_COUNT;
+
extern const uint64_t MAX_TIMESTAMP;
extern const uint64_t DEFAULT_EXPIRY_TIME;
*/
struct LDKCOption_u64Z COption_u64Z_clone(const struct LDKCOption_u64Z *NONNULL_PTR orig);
+/**
+ * Frees the buffer pointed to by `data` if `datalen` is non-0.
+ */
+void CVec_u64Z_free(struct LDKCVec_u64Z _res);
+
/**
* Creates a new CResult_PaymentParametersDecodeErrorZ in the success state.
*/
*/
struct LDKCResult_COption_ClosureReasonZDecodeErrorZ CResult_COption_ClosureReasonZDecodeErrorZ_clone(const struct LDKCResult_COption_ClosureReasonZDecodeErrorZ *NONNULL_PTR orig);
+/**
+ * Constructs a new COption_HTLCDestinationZ containing a crate::lightning::util::events::HTLCDestination
+ */
+struct LDKCOption_HTLCDestinationZ COption_HTLCDestinationZ_some(struct LDKHTLCDestination o);
+
+/**
+ * Constructs a new COption_HTLCDestinationZ containing nothing
+ */
+struct LDKCOption_HTLCDestinationZ COption_HTLCDestinationZ_none(void);
+
+/**
+ * Frees any resources associated with the crate::lightning::util::events::HTLCDestination, if we are in the Some state
+ */
+void COption_HTLCDestinationZ_free(struct LDKCOption_HTLCDestinationZ _res);
+
+/**
+ * Creates a new COption_HTLCDestinationZ which has the same data as `orig`
+ * but with all dynamically-allocated buffers duplicated in new buffers.
+ */
+struct LDKCOption_HTLCDestinationZ COption_HTLCDestinationZ_clone(const struct LDKCOption_HTLCDestinationZ *NONNULL_PTR orig);
+
+/**
+ * Creates a new CResult_COption_HTLCDestinationZDecodeErrorZ in the success state.
+ */
+struct LDKCResult_COption_HTLCDestinationZDecodeErrorZ CResult_COption_HTLCDestinationZDecodeErrorZ_ok(struct LDKCOption_HTLCDestinationZ o);
+
+/**
+ * Creates a new CResult_COption_HTLCDestinationZDecodeErrorZ in the error state.
+ */
+struct LDKCResult_COption_HTLCDestinationZDecodeErrorZ CResult_COption_HTLCDestinationZDecodeErrorZ_err(struct LDKDecodeError e);
+
+/**
+ * Checks if the given object is currently in the success state
+ */
+bool CResult_COption_HTLCDestinationZDecodeErrorZ_is_ok(const struct LDKCResult_COption_HTLCDestinationZDecodeErrorZ *NONNULL_PTR o);
+
+/**
+ * Frees any resources used by the CResult_COption_HTLCDestinationZDecodeErrorZ.
+ */
+void CResult_COption_HTLCDestinationZDecodeErrorZ_free(struct LDKCResult_COption_HTLCDestinationZDecodeErrorZ _res);
+
+/**
+ * Creates a new CResult_COption_HTLCDestinationZDecodeErrorZ which has the same data as `orig`
+ * but with all dynamically-allocated buffers duplicated in new buffers.
+ */
+struct LDKCResult_COption_HTLCDestinationZDecodeErrorZ CResult_COption_HTLCDestinationZDecodeErrorZ_clone(const struct LDKCResult_COption_HTLCDestinationZDecodeErrorZ *NONNULL_PTR orig);
+
/**
* Constructs a new COption_NetworkUpdateZ containing a crate::lightning::routing::gossip::NetworkUpdate
*/
* Creates a new tuple which has the same data as `orig`
* but with all dynamically-allocated buffers duplicated in new buffers.
*/
-struct LDKC2Tuple_OutPointCVec_MonitorEventZZ C2Tuple_OutPointCVec_MonitorEventZZ_clone(const struct LDKC2Tuple_OutPointCVec_MonitorEventZZ *NONNULL_PTR orig);
+struct LDKC3Tuple_OutPointCVec_MonitorEventZPublicKeyZ C3Tuple_OutPointCVec_MonitorEventZPublicKeyZ_clone(const struct LDKC3Tuple_OutPointCVec_MonitorEventZPublicKeyZ *NONNULL_PTR orig);
/**
- * Creates a new C2Tuple_OutPointCVec_MonitorEventZZ from the contained elements.
+ * Creates a new C3Tuple_OutPointCVec_MonitorEventZPublicKeyZ from the contained elements.
*/
-struct LDKC2Tuple_OutPointCVec_MonitorEventZZ C2Tuple_OutPointCVec_MonitorEventZZ_new(struct LDKOutPoint a, struct LDKCVec_MonitorEventZ b);
+struct LDKC3Tuple_OutPointCVec_MonitorEventZPublicKeyZ C3Tuple_OutPointCVec_MonitorEventZPublicKeyZ_new(struct LDKOutPoint a, struct LDKCVec_MonitorEventZ b, struct LDKPublicKey c);
/**
- * Frees any resources used by the C2Tuple_OutPointCVec_MonitorEventZZ.
+ * Frees any resources used by the C3Tuple_OutPointCVec_MonitorEventZPublicKeyZ.
*/
-void C2Tuple_OutPointCVec_MonitorEventZZ_free(struct LDKC2Tuple_OutPointCVec_MonitorEventZZ _res);
+void C3Tuple_OutPointCVec_MonitorEventZPublicKeyZ_free(struct LDKC3Tuple_OutPointCVec_MonitorEventZPublicKeyZ _res);
/**
* Frees the buffer pointed to by `data` if `datalen` is non-0.
*/
-void CVec_C2Tuple_OutPointCVec_MonitorEventZZZ_free(struct LDKCVec_C2Tuple_OutPointCVec_MonitorEventZZZ _res);
+void CVec_C3Tuple_OutPointCVec_MonitorEventZPublicKeyZZ_free(struct LDKCVec_C3Tuple_OutPointCVec_MonitorEventZPublicKeyZZ _res);
/**
* Constructs a new COption_C2Tuple_usizeTransactionZZ containing a crate::c_types::derived::C2Tuple_usizeTransactionZ
*/
struct LDKCResult_FixedPenaltyScorerDecodeErrorZ CResult_FixedPenaltyScorerDecodeErrorZ_clone(const struct LDKCResult_FixedPenaltyScorerDecodeErrorZ *NONNULL_PTR orig);
+/**
+ * Creates a new tuple which has the same data as `orig`
+ * but with all dynamically-allocated buffers duplicated in new buffers.
+ */
+struct LDKC2Tuple_u64u64Z C2Tuple_u64u64Z_clone(const struct LDKC2Tuple_u64u64Z *NONNULL_PTR orig);
+
+/**
+ * Creates a new C2Tuple_u64u64Z from the contained elements.
+ */
+struct LDKC2Tuple_u64u64Z C2Tuple_u64u64Z_new(uint64_t a, uint64_t b);
+
+/**
+ * Frees any resources used by the C2Tuple_u64u64Z.
+ */
+void C2Tuple_u64u64Z_free(struct LDKC2Tuple_u64u64Z _res);
+
+/**
+ * Constructs a new COption_C2Tuple_u64u64ZZ containing a crate::c_types::derived::C2Tuple_u64u64Z
+ */
+struct LDKCOption_C2Tuple_u64u64ZZ COption_C2Tuple_u64u64ZZ_some(struct LDKC2Tuple_u64u64Z o);
+
+/**
+ * Constructs a new COption_C2Tuple_u64u64ZZ containing nothing
+ */
+struct LDKCOption_C2Tuple_u64u64ZZ COption_C2Tuple_u64u64ZZ_none(void);
+
+/**
+ * Frees any resources associated with the crate::c_types::derived::C2Tuple_u64u64Z, if we are in the Some state
+ */
+void COption_C2Tuple_u64u64ZZ_free(struct LDKCOption_C2Tuple_u64u64ZZ _res);
+
+/**
+ * Creates a new COption_C2Tuple_u64u64ZZ which has the same data as `orig`
+ * but with all dynamically-allocated buffers duplicated in new buffers.
+ */
+struct LDKCOption_C2Tuple_u64u64ZZ COption_C2Tuple_u64u64ZZ_clone(const struct LDKCOption_C2Tuple_u64u64ZZ *NONNULL_PTR orig);
+
+/**
+ * Frees the buffer pointed to by `data` if `datalen` is non-0.
+ */
+void CVec_NodeIdZ_free(struct LDKCVec_NodeIdZ _res);
+
/**
* Creates a new CResult_ProbabilisticScorerDecodeErrorZ in the success state.
*/
struct LDKCResult_NodeAnnouncementInfoDecodeErrorZ CResult_NodeAnnouncementInfoDecodeErrorZ_clone(const struct LDKCResult_NodeAnnouncementInfoDecodeErrorZ *NONNULL_PTR orig);
/**
- * Frees the buffer pointed to by `data` if `datalen` is non-0.
+ * Creates a new CResult_NodeAliasDecodeErrorZ in the success state.
*/
-void CVec_u64Z_free(struct LDKCVec_u64Z _res);
+struct LDKCResult_NodeAliasDecodeErrorZ CResult_NodeAliasDecodeErrorZ_ok(struct LDKNodeAlias o);
+
+/**
+ * Creates a new CResult_NodeAliasDecodeErrorZ in the error state.
+ */
+struct LDKCResult_NodeAliasDecodeErrorZ CResult_NodeAliasDecodeErrorZ_err(struct LDKDecodeError e);
+
+/**
+ * Checks if the given object is currently in the success state
+ */
+bool CResult_NodeAliasDecodeErrorZ_is_ok(const struct LDKCResult_NodeAliasDecodeErrorZ *NONNULL_PTR o);
+
+/**
+ * Frees any resources used by the CResult_NodeAliasDecodeErrorZ.
+ */
+void CResult_NodeAliasDecodeErrorZ_free(struct LDKCResult_NodeAliasDecodeErrorZ _res);
+
+/**
+ * Creates a new CResult_NodeAliasDecodeErrorZ which has the same data as `orig`
+ * but with all dynamically-allocated buffers duplicated in new buffers.
+ */
+struct LDKCResult_NodeAliasDecodeErrorZ CResult_NodeAliasDecodeErrorZ_clone(const struct LDKCResult_NodeAliasDecodeErrorZ *NONNULL_PTR orig);
/**
* Creates a new CResult_NodeInfoDecodeErrorZ in the success state.
*/
struct LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone(const struct LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ *NONNULL_PTR orig);
+/**
+ * Frees the buffer pointed to by `data` if `datalen` is non-0.
+ */
+void CVec_ThirtyTwoBytesZ_free(struct LDKCVec_ThirtyTwoBytesZ _res);
+
/**
* Creates a new tuple which has the same data as `orig`
* but with all dynamically-allocated buffers duplicated in new buffers.
*/
struct LDKCResult_COption_ClosureReasonZDecodeErrorZ ClosureReason_read(struct LDKu8slice ser);
+/**
+ * Frees any resources used by the HTLCDestination
+ */
+void HTLCDestination_free(struct LDKHTLCDestination this_ptr);
+
+/**
+ * Creates a copy of the HTLCDestination
+ */
+struct LDKHTLCDestination HTLCDestination_clone(const struct LDKHTLCDestination *NONNULL_PTR orig);
+
+/**
+ * Utility method to constructs a new NextHopChannel-variant HTLCDestination
+ */
+struct LDKHTLCDestination HTLCDestination_next_hop_channel(struct LDKPublicKey node_id, struct LDKThirtyTwoBytes channel_id);
+
+/**
+ * Utility method to constructs a new UnknownNextHop-variant HTLCDestination
+ */
+struct LDKHTLCDestination HTLCDestination_unknown_next_hop(uint64_t requested_forward_scid);
+
+/**
+ * Utility method to constructs a new FailedPayment-variant HTLCDestination
+ */
+struct LDKHTLCDestination HTLCDestination_failed_payment(struct LDKThirtyTwoBytes payment_hash);
+
+/**
+ * Serialize the HTLCDestination object into a byte array which can be read by HTLCDestination_read
+ */
+struct LDKCVec_u8Z HTLCDestination_write(const struct LDKHTLCDestination *NONNULL_PTR obj);
+
+/**
+ * Read a HTLCDestination from a byte array, created by HTLCDestination_write
+ */
+struct LDKCResult_COption_HTLCDestinationZDecodeErrorZ HTLCDestination_read(struct LDKu8slice ser);
+
/**
* Frees any resources used by the Event
*/
*/
struct LDKEvent Event_payment_path_failed(struct LDKThirtyTwoBytes payment_id, struct LDKThirtyTwoBytes payment_hash, bool rejected_by_dest, struct LDKCOption_NetworkUpdateZ network_update, bool all_paths_failed, struct LDKCVec_RouteHopZ path, struct LDKCOption_u64Z short_channel_id, struct LDKRouteParameters retry);
+/**
+ * Utility method to constructs a new ProbeSuccessful-variant Event
+ */
+struct LDKEvent Event_probe_successful(struct LDKThirtyTwoBytes payment_id, struct LDKThirtyTwoBytes payment_hash, struct LDKCVec_RouteHopZ path);
+
+/**
+ * Utility method to constructs a new ProbeFailed-variant Event
+ */
+struct LDKEvent Event_probe_failed(struct LDKThirtyTwoBytes payment_id, struct LDKThirtyTwoBytes payment_hash, struct LDKCVec_RouteHopZ path, struct LDKCOption_u64Z short_channel_id);
+
/**
* Utility method to constructs a new PendingHTLCsForwardable-variant Event
*/
*/
struct LDKEvent Event_open_channel_request(struct LDKThirtyTwoBytes temporary_channel_id, struct LDKPublicKey counterparty_node_id, uint64_t funding_satoshis, uint64_t push_msat, struct LDKChannelTypeFeatures channel_type);
+/**
+ * Utility method to constructs a new HTLCHandlingFailed-variant Event
+ */
+struct LDKEvent Event_htlchandling_failed(struct LDKThirtyTwoBytes prev_channel_id, struct LDKHTLCDestination failed_next_destination);
+
/**
* Serialize the Event object into a byte array which can be read by Event_read
*/
*/
MUST_USE_RES struct LDKBigSize BigSize_new(uint64_t a_arg);
+/**
+ * Frees any resources used by the Hostname, if is_owned is set and inner is non-NULL.
+ */
+void Hostname_free(struct LDKHostname this_obj);
+
+/**
+ * Creates a copy of the Hostname
+ */
+struct LDKHostname Hostname_clone(const struct LDKHostname *NONNULL_PTR orig);
+
+/**
+ * Returns the length of the hostname.
+ */
+MUST_USE_RES uint8_t Hostname_len(const struct LDKHostname *NONNULL_PTR this_arg);
+
/**
* Creates a digital signature of a message given a SecretKey, like the node's secret.
* A receiver knowing the PublicKey (e.g. the node's id) and the message can be sure that the signature was generated by the caller.
* Minimum value: 1, any values less than 1 will be treated as 1 instead.
* Maximum value: 100, any values larger than 100 will be treated as 100 instead.
*/
-void ChannelHandshakeConfig_set_max_inbound_htlc_value_in_flight_percent_of_channel(struct LDKChannelHandshakeConfig *NONNULL_PTR this_ptr, uint8_t val);
+void ChannelHandshakeConfig_set_max_inbound_htlc_value_in_flight_percent_of_channel(struct LDKChannelHandshakeConfig *NONNULL_PTR this_ptr, uint8_t val);
+
+/**
+ * If set, we attempt to negotiate the `scid_privacy` (referred to as `scid_alias` in the
+ * BOLTs) option for outbound private channels. This provides better privacy by not including
+ * our real on-chain channel UTXO in each invoice and requiring that our counterparty only
+ * relay HTLCs to us using the channel's SCID alias.
+ *
+ * If this option is set, channels may be created that will not be readable by LDK versions
+ * prior to 0.0.106, causing [`ChannelManager`]'s read method to return a
+ * [`DecodeError::InvalidValue`].
+ *
+ * Note that setting this to true does *not* prevent us from opening channels with
+ * counterparties that do not support the `scid_alias` option; we will simply fall back to a
+ * private channel without that option.
+ *
+ * Ignored if the channel is negotiated to be announced, see
+ * [`ChannelHandshakeConfig::announced_channel`] and
+ * [`ChannelHandshakeLimits::force_announced_channel_preference`] for more.
+ *
+ * Default value: false. This value is likely to change to true in the future.
+ *
+ * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+ * [`DecodeError::InvalidValue`]: crate::ln::msgs::DecodeError::InvalidValue
+ */
+bool ChannelHandshakeConfig_get_negotiate_scid_privacy(const struct LDKChannelHandshakeConfig *NONNULL_PTR this_ptr);
+
+/**
+ * If set, we attempt to negotiate the `scid_privacy` (referred to as `scid_alias` in the
+ * BOLTs) option for outbound private channels. This provides better privacy by not including
+ * our real on-chain channel UTXO in each invoice and requiring that our counterparty only
+ * relay HTLCs to us using the channel's SCID alias.
+ *
+ * If this option is set, channels may be created that will not be readable by LDK versions
+ * prior to 0.0.106, causing [`ChannelManager`]'s read method to return a
+ * [`DecodeError::InvalidValue`].
+ *
+ * Note that setting this to true does *not* prevent us from opening channels with
+ * counterparties that do not support the `scid_alias` option; we will simply fall back to a
+ * private channel without that option.
+ *
+ * Ignored if the channel is negotiated to be announced, see
+ * [`ChannelHandshakeConfig::announced_channel`] and
+ * [`ChannelHandshakeLimits::force_announced_channel_preference`] for more.
+ *
+ * Default value: false. This value is likely to change to true in the future.
+ *
+ * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+ * [`DecodeError::InvalidValue`]: crate::ln::msgs::DecodeError::InvalidValue
+ */
+void ChannelHandshakeConfig_set_negotiate_scid_privacy(struct LDKChannelHandshakeConfig *NONNULL_PTR this_ptr, bool val);
+
+/**
+ * Set to announce the channel publicly and notify all nodes that they can route via this
+ * channel.
+ *
+ * This should only be set to true for nodes which expect to be online reliably.
+ *
+ * As the node which funds a channel picks this value this will only apply for new outbound
+ * channels unless [`ChannelHandshakeLimits::force_announced_channel_preference`] is set.
+ *
+ * Default value: false.
+ */
+bool ChannelHandshakeConfig_get_announced_channel(const struct LDKChannelHandshakeConfig *NONNULL_PTR this_ptr);
+
+/**
+ * Set to announce the channel publicly and notify all nodes that they can route via this
+ * channel.
+ *
+ * This should only be set to true for nodes which expect to be online reliably.
+ *
+ * As the node which funds a channel picks this value this will only apply for new outbound
+ * channels unless [`ChannelHandshakeLimits::force_announced_channel_preference`] is set.
+ *
+ * Default value: false.
+ */
+void ChannelHandshakeConfig_set_announced_channel(struct LDKChannelHandshakeConfig *NONNULL_PTR this_ptr, bool val);
/**
- * If set, we attempt to negotiate the `scid_privacy` (referred to as `scid_alias` in the
- * BOLTs) option for outbound private channels. This provides better privacy by not including
- * our real on-chain channel UTXO in each invoice and requiring that our counterparty only
- * relay HTLCs to us using the channel's SCID alias.
- *
- * If this option is set, channels may be created that will not be readable by LDK versions
- * prior to 0.0.106, causing [`ChannelManager`]'s read method to return a
- * [`DecodeError:InvalidValue`].
+ * When set, we commit to an upfront shutdown_pubkey at channel open. If our counterparty
+ * supports it, they will then enforce the mutual-close output to us matches what we provided
+ * at intialization, preventing us from closing to an alternate pubkey.
*
- * Note that setting this to true does *not* prevent us from opening channels with
- * counterparties that do not support the `scid_alias` option; we will simply fall back to a
- * private channel without that option.
+ * This is set to true by default to provide a slight increase in security, though ultimately
+ * any attacker who is able to take control of a channel can just as easily send the funds via
+ * lightning payments, so we never require that our counterparties support this option.
*
- * Ignored if the channel is negotiated to be announced, see
- * [`ChannelConfig::announced_channel`] and
- * [`ChannelHandshakeLimits::force_announced_channel_preference`] for more.
+ * The upfront key committed is provided from [`KeysInterface::get_shutdown_scriptpubkey`].
*
- * Default value: false. This value is likely to change to true in the future.
+ * Default value: true.
*
- * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
- * [`DecodeError:InvalidValue`]: crate::ln::msgs::DecodeError::InvalidValue
+ * [`KeysInterface::get_shutdown_scriptpubkey`]: crate::chain::keysinterface::KeysInterface::get_shutdown_scriptpubkey
*/
-bool ChannelHandshakeConfig_get_negotiate_scid_privacy(const struct LDKChannelHandshakeConfig *NONNULL_PTR this_ptr);
+bool ChannelHandshakeConfig_get_commit_upfront_shutdown_pubkey(const struct LDKChannelHandshakeConfig *NONNULL_PTR this_ptr);
/**
- * If set, we attempt to negotiate the `scid_privacy` (referred to as `scid_alias` in the
- * BOLTs) option for outbound private channels. This provides better privacy by not including
- * our real on-chain channel UTXO in each invoice and requiring that our counterparty only
- * relay HTLCs to us using the channel's SCID alias.
- *
- * If this option is set, channels may be created that will not be readable by LDK versions
- * prior to 0.0.106, causing [`ChannelManager`]'s read method to return a
- * [`DecodeError:InvalidValue`].
+ * When set, we commit to an upfront shutdown_pubkey at channel open. If our counterparty
+ * supports it, they will then enforce the mutual-close output to us matches what we provided
+ * at intialization, preventing us from closing to an alternate pubkey.
*
- * Note that setting this to true does *not* prevent us from opening channels with
- * counterparties that do not support the `scid_alias` option; we will simply fall back to a
- * private channel without that option.
+ * This is set to true by default to provide a slight increase in security, though ultimately
+ * any attacker who is able to take control of a channel can just as easily send the funds via
+ * lightning payments, so we never require that our counterparties support this option.
*
- * Ignored if the channel is negotiated to be announced, see
- * [`ChannelConfig::announced_channel`] and
- * [`ChannelHandshakeLimits::force_announced_channel_preference`] for more.
+ * The upfront key committed is provided from [`KeysInterface::get_shutdown_scriptpubkey`].
*
- * Default value: false. This value is likely to change to true in the future.
+ * Default value: true.
*
- * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
- * [`DecodeError:InvalidValue`]: crate::ln::msgs::DecodeError::InvalidValue
+ * [`KeysInterface::get_shutdown_scriptpubkey`]: crate::chain::keysinterface::KeysInterface::get_shutdown_scriptpubkey
*/
-void ChannelHandshakeConfig_set_negotiate_scid_privacy(struct LDKChannelHandshakeConfig *NONNULL_PTR this_ptr, bool val);
+void ChannelHandshakeConfig_set_commit_upfront_shutdown_pubkey(struct LDKChannelHandshakeConfig *NONNULL_PTR this_ptr, bool val);
/**
* Constructs a new ChannelHandshakeConfig given each field
*/
-MUST_USE_RES struct LDKChannelHandshakeConfig ChannelHandshakeConfig_new(uint32_t minimum_depth_arg, uint16_t our_to_self_delay_arg, uint64_t our_htlc_minimum_msat_arg, uint8_t max_inbound_htlc_value_in_flight_percent_of_channel_arg, bool negotiate_scid_privacy_arg);
+MUST_USE_RES struct LDKChannelHandshakeConfig ChannelHandshakeConfig_new(uint32_t minimum_depth_arg, uint16_t our_to_self_delay_arg, uint64_t our_htlc_minimum_msat_arg, uint8_t max_inbound_htlc_value_in_flight_percent_of_channel_arg, bool negotiate_scid_privacy_arg, bool announced_channel_arg, bool commit_upfront_shutdown_pubkey_arg);
/**
* Creates a copy of the ChannelHandshakeConfig
/**
* Set to force an incoming channel to match our announced channel preference in
- * [`ChannelConfig::announced_channel`].
+ * [`ChannelHandshakeConfig::announced_channel`].
*
* For a node which is not online reliably, this should be set to true and
- * [`ChannelConfig::announced_channel`] set to false, ensuring that no announced (aka public)
+ * [`ChannelHandshakeConfig::announced_channel`] set to false, ensuring that no announced (aka public)
* channels will ever be opened.
*
* Default value: true.
/**
* Set to force an incoming channel to match our announced channel preference in
- * [`ChannelConfig::announced_channel`].
+ * [`ChannelHandshakeConfig::announced_channel`].
*
* For a node which is not online reliably, this should be set to true and
- * [`ChannelConfig::announced_channel`] set to false, ensuring that no announced (aka public)
+ * [`ChannelHandshakeConfig::announced_channel`] set to false, ensuring that no announced (aka public)
* channels will ever be opened.
*
* Default value: true.
*/
void ChannelConfig_set_cltv_expiry_delta(struct LDKChannelConfig *NONNULL_PTR this_ptr, uint16_t val);
-/**
- * Set to announce the channel publicly and notify all nodes that they can route via this
- * channel.
- *
- * This should only be set to true for nodes which expect to be online reliably.
- *
- * As the node which funds a channel picks this value this will only apply for new outbound
- * channels unless [`ChannelHandshakeLimits::force_announced_channel_preference`] is set.
- *
- * This cannot be changed after the initial channel handshake.
- *
- * Default value: false.
- */
-bool ChannelConfig_get_announced_channel(const struct LDKChannelConfig *NONNULL_PTR this_ptr);
-
-/**
- * Set to announce the channel publicly and notify all nodes that they can route via this
- * channel.
- *
- * This should only be set to true for nodes which expect to be online reliably.
- *
- * As the node which funds a channel picks this value this will only apply for new outbound
- * channels unless [`ChannelHandshakeLimits::force_announced_channel_preference`] is set.
- *
- * This cannot be changed after the initial channel handshake.
- *
- * Default value: false.
- */
-void ChannelConfig_set_announced_channel(struct LDKChannelConfig *NONNULL_PTR this_ptr, bool val);
-
-/**
- * When set, we commit to an upfront shutdown_pubkey at channel open. If our counterparty
- * supports it, they will then enforce the mutual-close output to us matches what we provided
- * at intialization, preventing us from closing to an alternate pubkey.
- *
- * This is set to true by default to provide a slight increase in security, though ultimately
- * any attacker who is able to take control of a channel can just as easily send the funds via
- * lightning payments, so we never require that our counterparties support this option.
- *
- * This cannot be changed after a channel has been initialized.
- *
- * Default value: true.
- */
-bool ChannelConfig_get_commit_upfront_shutdown_pubkey(const struct LDKChannelConfig *NONNULL_PTR this_ptr);
-
-/**
- * When set, we commit to an upfront shutdown_pubkey at channel open. If our counterparty
- * supports it, they will then enforce the mutual-close output to us matches what we provided
- * at intialization, preventing us from closing to an alternate pubkey.
- *
- * This is set to true by default to provide a slight increase in security, though ultimately
- * any attacker who is able to take control of a channel can just as easily send the funds via
- * lightning payments, so we never require that our counterparties support this option.
- *
- * This cannot be changed after a channel has been initialized.
- *
- * Default value: true.
- */
-void ChannelConfig_set_commit_upfront_shutdown_pubkey(struct LDKChannelConfig *NONNULL_PTR this_ptr, bool val);
-
/**
* Limit our total exposure to in-flight HTLCs which are burned to fees as they are too
* small to claim on-chain.
/**
* Constructs a new ChannelConfig given each field
*/
-MUST_USE_RES struct LDKChannelConfig ChannelConfig_new(uint32_t forwarding_fee_proportional_millionths_arg, uint32_t forwarding_fee_base_msat_arg, uint16_t cltv_expiry_delta_arg, bool announced_channel_arg, bool commit_upfront_shutdown_pubkey_arg, uint64_t max_dust_htlc_exposure_msat_arg, uint64_t force_close_avoidance_max_fee_satoshis_arg);
+MUST_USE_RES struct LDKChannelConfig ChannelConfig_new(uint32_t forwarding_fee_proportional_millionths_arg, uint32_t forwarding_fee_base_msat_arg, uint16_t cltv_expiry_delta_arg, uint64_t max_dust_htlc_exposure_msat_arg, uint64_t force_close_avoidance_max_fee_satoshis_arg);
/**
* Creates a copy of the ChannelConfig
void UserConfig_free(struct LDKUserConfig this_obj);
/**
- * Channel config that we propose to our counterparty.
+ * Channel handshake config that we propose to our counterparty.
*/
-struct LDKChannelHandshakeConfig UserConfig_get_own_channel_config(const struct LDKUserConfig *NONNULL_PTR this_ptr);
+struct LDKChannelHandshakeConfig UserConfig_get_channel_handshake_config(const struct LDKUserConfig *NONNULL_PTR this_ptr);
/**
- * Channel config that we propose to our counterparty.
+ * Channel handshake config that we propose to our counterparty.
*/
-void UserConfig_set_own_channel_config(struct LDKUserConfig *NONNULL_PTR this_ptr, struct LDKChannelHandshakeConfig val);
+void UserConfig_set_channel_handshake_config(struct LDKUserConfig *NONNULL_PTR this_ptr, struct LDKChannelHandshakeConfig val);
/**
- * Limits applied to our counterparty's proposed channel config settings.
+ * Limits applied to our counterparty's proposed channel handshake config settings.
*/
-struct LDKChannelHandshakeLimits UserConfig_get_peer_channel_config_limits(const struct LDKUserConfig *NONNULL_PTR this_ptr);
+struct LDKChannelHandshakeLimits UserConfig_get_channel_handshake_limits(const struct LDKUserConfig *NONNULL_PTR this_ptr);
/**
- * Limits applied to our counterparty's proposed channel config settings.
+ * Limits applied to our counterparty's proposed channel handshake config settings.
*/
-void UserConfig_set_peer_channel_config_limits(struct LDKUserConfig *NONNULL_PTR this_ptr, struct LDKChannelHandshakeLimits val);
+void UserConfig_set_channel_handshake_limits(struct LDKUserConfig *NONNULL_PTR this_ptr, struct LDKChannelHandshakeLimits val);
/**
* Channel config which affects behavior during channel lifetime.
*/
-struct LDKChannelConfig UserConfig_get_channel_options(const struct LDKUserConfig *NONNULL_PTR this_ptr);
+struct LDKChannelConfig UserConfig_get_channel_config(const struct LDKUserConfig *NONNULL_PTR this_ptr);
/**
* Channel config which affects behavior during channel lifetime.
*/
-void UserConfig_set_channel_options(struct LDKUserConfig *NONNULL_PTR this_ptr, struct LDKChannelConfig val);
+void UserConfig_set_channel_config(struct LDKUserConfig *NONNULL_PTR this_ptr, struct LDKChannelConfig val);
/**
* If this is set to false, we will reject any HTLCs which were to be forwarded over private
* node which is not online reliably.
*
* For nodes which are not online reliably, you should set all channels to *not* be announced
- * (using [`ChannelConfig::announced_channel`] and
+ * (using [`ChannelHandshakeConfig::announced_channel`] and
* [`ChannelHandshakeLimits::force_announced_channel_preference`]) and set this to false to
* ensure you are not exposed to any forwarding risk.
*
* node which is not online reliably.
*
* For nodes which are not online reliably, you should set all channels to *not* be announced
- * (using [`ChannelConfig::announced_channel`] and
+ * (using [`ChannelHandshakeConfig::announced_channel`] and
* [`ChannelHandshakeLimits::force_announced_channel_preference`]) and set this to false to
* ensure you are not exposed to any forwarding risk.
*
/**
* Constructs a new UserConfig given each field
*/
-MUST_USE_RES struct LDKUserConfig UserConfig_new(struct LDKChannelHandshakeConfig own_channel_config_arg, struct LDKChannelHandshakeLimits peer_channel_config_limits_arg, struct LDKChannelConfig channel_options_arg, bool accept_forwards_to_priv_channels_arg, bool accept_inbound_channels_arg, bool manually_accept_inbound_channels_arg);
+MUST_USE_RES struct LDKUserConfig UserConfig_new(struct LDKChannelHandshakeConfig channel_handshake_config_arg, struct LDKChannelHandshakeLimits channel_handshake_limits_arg, struct LDKChannelConfig channel_config_arg, bool accept_forwards_to_priv_channels_arg, bool accept_inbound_channels_arg, bool manually_accept_inbound_channels_arg);
/**
* Creates a copy of the UserConfig
*
* panics if the given update is not the next update by update_id.
*/
-MUST_USE_RES struct LDKCResult_NoneNoneZ ChannelMonitor_update_monitor(const struct LDKChannelMonitor *NONNULL_PTR this_arg, const struct LDKChannelMonitorUpdate *NONNULL_PTR updates, const struct LDKBroadcasterInterface *NONNULL_PTR broadcaster, const struct LDKFeeEstimator *NONNULL_PTR fee_estimator, const struct LDKLogger *NONNULL_PTR logger);
+MUST_USE_RES struct LDKCResult_NoneNoneZ ChannelMonitor_update_monitor(const struct LDKChannelMonitor *NONNULL_PTR this_arg, const struct LDKChannelMonitorUpdate *NONNULL_PTR updates, const struct LDKBroadcasterInterface *NONNULL_PTR broadcaster, struct LDKFeeEstimator fee_estimator, const struct LDKLogger *NONNULL_PTR logger);
/**
* Gets the update_id from the latest ChannelMonitorUpdate which was applied to this
*/
MUST_USE_RES struct LDKCVec_EventZ ChannelMonitor_get_and_clear_pending_events(const struct LDKChannelMonitor *NONNULL_PTR this_arg);
+/**
+ * Gets the `node_id` of the counterparty for this channel.
+ *
+ * Will be `None` for channels constructed on LDK versions prior to 0.0.110 and always `Some`
+ * otherwise.
+ *
+ * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+MUST_USE_RES struct LDKPublicKey ChannelMonitor_get_counterparty_node_id(const struct LDKChannelMonitor *NONNULL_PTR this_arg);
+
/**
* Used by ChannelManager deserialization to broadcast the latest holder state if its copy of
* the Channel was out-of-date. You may use it to get a broadcastable holder toxic tx in case of
*/
void ChannelDetails_set_inbound_htlc_maximum_msat(struct LDKChannelDetails *NONNULL_PTR this_ptr, struct LDKCOption_u64Z val);
+/**
+ * Set of configurable parameters that affect channel operation.
+ *
+ * This field is only `None` for `ChannelDetails` objects serialized prior to LDK 0.0.109.
+ *
+ * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+struct LDKChannelConfig ChannelDetails_get_config(const struct LDKChannelDetails *NONNULL_PTR this_ptr);
+
+/**
+ * Set of configurable parameters that affect channel operation.
+ *
+ * This field is only `None` for `ChannelDetails` objects serialized prior to LDK 0.0.109.
+ *
+ * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+void ChannelDetails_set_config(struct LDKChannelDetails *NONNULL_PTR this_ptr, struct LDKChannelConfig val);
+
/**
* Constructs a new ChannelDetails given each field
*/
-MUST_USE_RES struct LDKChannelDetails ChannelDetails_new(struct LDKThirtyTwoBytes channel_id_arg, struct LDKChannelCounterparty counterparty_arg, struct LDKOutPoint funding_txo_arg, struct LDKChannelTypeFeatures channel_type_arg, struct LDKCOption_u64Z short_channel_id_arg, struct LDKCOption_u64Z outbound_scid_alias_arg, struct LDKCOption_u64Z inbound_scid_alias_arg, uint64_t channel_value_satoshis_arg, struct LDKCOption_u64Z unspendable_punishment_reserve_arg, uint64_t user_channel_id_arg, uint64_t balance_msat_arg, uint64_t outbound_capacity_msat_arg, uint64_t next_outbound_htlc_limit_msat_arg, uint64_t inbound_capacity_msat_arg, struct LDKCOption_u32Z confirmations_required_arg, struct LDKCOption_u16Z force_close_spend_delay_arg, bool is_outbound_arg, bool is_channel_ready_arg, bool is_usable_arg, bool is_public_arg, struct LDKCOption_u64Z inbound_htlc_minimum_msat_arg, struct LDKCOption_u64Z inbound_htlc_maximum_msat_arg);
+MUST_USE_RES struct LDKChannelDetails ChannelDetails_new(struct LDKThirtyTwoBytes channel_id_arg, struct LDKChannelCounterparty counterparty_arg, struct LDKOutPoint funding_txo_arg, struct LDKChannelTypeFeatures channel_type_arg, struct LDKCOption_u64Z short_channel_id_arg, struct LDKCOption_u64Z outbound_scid_alias_arg, struct LDKCOption_u64Z inbound_scid_alias_arg, uint64_t channel_value_satoshis_arg, struct LDKCOption_u64Z unspendable_punishment_reserve_arg, uint64_t user_channel_id_arg, uint64_t balance_msat_arg, uint64_t outbound_capacity_msat_arg, uint64_t next_outbound_htlc_limit_msat_arg, uint64_t inbound_capacity_msat_arg, struct LDKCOption_u32Z confirmations_required_arg, struct LDKCOption_u16Z force_close_spend_delay_arg, bool is_outbound_arg, bool is_channel_ready_arg, bool is_usable_arg, bool is_public_arg, struct LDKCOption_u64Z inbound_htlc_minimum_msat_arg, struct LDKCOption_u64Z inbound_htlc_maximum_msat_arg, struct LDKChannelConfig config_arg);
/**
* Creates a copy of the ChannelDetails
MUST_USE_RES struct LDKCResult_NoneAPIErrorZ ChannelManager_close_channel_with_target_feerate(const struct LDKChannelManager *NONNULL_PTR this_arg, const uint8_t (*channel_id)[32], struct LDKPublicKey counterparty_node_id, uint32_t target_feerate_sats_per_1000_weight);
/**
- * Force closes a channel, immediately broadcasting the latest local commitment transaction to
- * the chain and rejecting new HTLCs on the given channel. Fails if `channel_id` is unknown to
+ * Force closes a channel, immediately broadcasting the latest local transaction(s) and
+ * rejecting new HTLCs on the given channel. Fails if `channel_id` is unknown to
* the manager, or if the `counterparty_node_id` isn't the counterparty of the corresponding
* channel.
*/
-MUST_USE_RES struct LDKCResult_NoneAPIErrorZ ChannelManager_force_close_channel(const struct LDKChannelManager *NONNULL_PTR this_arg, const uint8_t (*channel_id)[32], struct LDKPublicKey counterparty_node_id);
+MUST_USE_RES struct LDKCResult_NoneAPIErrorZ ChannelManager_force_close_broadcasting_latest_txn(const struct LDKChannelManager *NONNULL_PTR this_arg, const uint8_t (*channel_id)[32], struct LDKPublicKey counterparty_node_id);
+
+/**
+ * Force closes a channel, rejecting new HTLCs on the given channel but skips broadcasting
+ * the latest local transaction(s). Fails if `channel_id` is unknown to the manager, or if the
+ * `counterparty_node_id` isn't the counterparty of the corresponding channel.
+ *
+ * You can always get the latest local transaction(s) to broadcast from
+ * [`ChannelMonitor::get_latest_holder_commitment_txn`].
+ */
+MUST_USE_RES struct LDKCResult_NoneAPIErrorZ ChannelManager_force_close_without_broadcasting_txn(const struct LDKChannelManager *NONNULL_PTR this_arg, const uint8_t (*channel_id)[32], struct LDKPublicKey counterparty_node_id);
/**
* Force close all channels, immediately broadcasting the latest local commitment transaction
* for each to the chain and rejecting new HTLCs on each.
*/
-void ChannelManager_force_close_all_channels(const struct LDKChannelManager *NONNULL_PTR this_arg);
+void ChannelManager_force_close_all_channels_broadcasting_latest_txn(const struct LDKChannelManager *NONNULL_PTR this_arg);
+
+/**
+ * Force close all channels rejecting new HTLCs on each but without broadcasting the latest
+ * local transaction(s).
+ */
+void ChannelManager_force_close_all_channels_without_broadcasting_txn(const struct LDKChannelManager *NONNULL_PTR this_arg);
/**
* Sends a payment along a given route.
*/
MUST_USE_RES struct LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ ChannelManager_send_spontaneous_payment(const struct LDKChannelManager *NONNULL_PTR this_arg, const struct LDKRoute *NONNULL_PTR route, struct LDKThirtyTwoBytes payment_preimage);
+/**
+ * Send a payment that is probing the given route for liquidity. We calculate the
+ * [`PaymentHash`] of probes based on a static secret and a random [`PaymentId`], which allows
+ * us to easily discern them from real payments.
+ */
+MUST_USE_RES struct LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ ChannelManager_send_probe(const struct LDKChannelManager *NONNULL_PTR this_arg, struct LDKCVec_RouteHopZ hops);
+
/**
* Call this upon creation of a funding transaction for the given channel.
*
* Returns an [`APIError::APIMisuseError`] if the funding_transaction spent non-SegWit outputs
* or if no output was found which matches the parameters in [`Event::FundingGenerationReady`].
*
+ * Returns [`APIError::APIMisuseError`] if the funding transaction is not final for propagation
+ * across the p2p network.
+ *
* Returns [`APIError::ChannelUnavailable`] if a funding transaction has already been provided
* for the channel or if the channel has been closed as indicated by [`Event::ChannelClosed`].
*
* not currently support replacing a funding transaction on an existing channel. Instead,
* create a new channel with a conflicting funding transaction.
*
+ * Note to keep the miner incentives aligned in moving the blockchain forward, we recommend
+ * the wallet software generating the funding transaction to apply anti-fee sniping as
+ * implemented by Bitcoin Core wallet. See <https://bitcoinops.org/en/topics/fee-sniping/>
+ * for more details.
+ *
* [`Event::FundingGenerationReady`]: crate::util::events::Event::FundingGenerationReady
* [`Event::ChannelClosed`]: crate::util::events::Event::ChannelClosed
*/
* tying these addresses together and to this node. If you wish to preserve user privacy,
* addresses should likely contain only Tor Onion addresses.
*
- * Panics if `addresses` is absurdly large (more than 500).
+ * Panics if `addresses` is absurdly large (more than 100).
*
* [`get_and_clear_pending_msg_events`]: MessageSendEventsProvider::get_and_clear_pending_msg_events
*/
void ChannelManager_broadcast_node_announcement(const struct LDKChannelManager *NONNULL_PTR this_arg, struct LDKThreeBytes rgb, struct LDKThirtyTwoBytes alias, struct LDKCVec_NetAddressZ addresses);
+/**
+ * Atomically updates the [`ChannelConfig`] for the given channels.
+ *
+ * Once the updates are applied, each eligible channel (advertised with a known short channel
+ * ID and a change in [`forwarding_fee_proportional_millionths`], [`forwarding_fee_base_msat`],
+ * or [`cltv_expiry_delta`]) has a [`BroadcastChannelUpdate`] event message generated
+ * containing the new [`ChannelUpdate`] message which should be broadcast to the network.
+ *
+ * Returns [`ChannelUnavailable`] when a channel is not found or an incorrect
+ * `counterparty_node_id` is provided.
+ *
+ * Returns [`APIMisuseError`] when a [`cltv_expiry_delta`] update is to be applied with a value
+ * below [`MIN_CLTV_EXPIRY_DELTA`].
+ *
+ * If an error is returned, none of the updates should be considered applied.
+ *
+ * [`forwarding_fee_proportional_millionths`]: ChannelConfig::forwarding_fee_proportional_millionths
+ * [`forwarding_fee_base_msat`]: ChannelConfig::forwarding_fee_base_msat
+ * [`cltv_expiry_delta`]: ChannelConfig::cltv_expiry_delta
+ * [`BroadcastChannelUpdate`]: events::MessageSendEvent::BroadcastChannelUpdate
+ * [`ChannelUpdate`]: msgs::ChannelUpdate
+ * [`ChannelUnavailable`]: APIError::ChannelUnavailable
+ * [`APIMisuseError`]: APIError::APIMisuseError
+ */
+MUST_USE_RES struct LDKCResult_NoneAPIErrorZ ChannelManager_update_channel_config(const struct LDKChannelManager *NONNULL_PTR this_arg, struct LDKPublicKey counterparty_node_id, struct LDKCVec_ThirtyTwoBytesZ channel_ids, const struct LDKChannelConfig *NONNULL_PTR config);
+
/**
* Processes HTLCs which are pending waiting on random forward delay.
*
* * Broadcasting `ChannelUpdate` messages if we've been disconnected from our peer for more
* than a minute, informing the network that they should no longer attempt to route over
* the channel.
+ * * Expiring a channel's previous `ChannelConfig` if necessary to only allow forwarding HTLCs
+ * with the current `ChannelConfig`.
*
* Note that this may cause reentrancy through `chain::Watch::update_channel` calls or feerate
* estimate fetches.
*/
struct LDKNetAddress NetAddress_onion_v3(struct LDKThirtyTwoBytes ed25519_pubkey, uint16_t checksum, uint8_t version, uint16_t port);
+/**
+ * Utility method to constructs a new Hostname-variant NetAddress
+ */
+struct LDKNetAddress NetAddress_hostname(struct LDKHostname hostname, uint16_t port);
+
/**
* Serialize the NetAddress object into a byte array which can be read by NetAddress_read
*/
*/
void UnsignedChannelUpdate_set_htlc_minimum_msat(struct LDKUnsignedChannelUpdate *NONNULL_PTR this_ptr, uint64_t val);
+/**
+ * The maximum HTLC value incoming to sender, in milli-satoshi. Used to be optional.
+ */
+uint64_t UnsignedChannelUpdate_get_htlc_maximum_msat(const struct LDKUnsignedChannelUpdate *NONNULL_PTR this_ptr);
+
+/**
+ * The maximum HTLC value incoming to sender, in milli-satoshi. Used to be optional.
+ */
+void UnsignedChannelUpdate_set_htlc_maximum_msat(struct LDKUnsignedChannelUpdate *NONNULL_PTR this_ptr, uint64_t val);
+
/**
* The base HTLC fee charged by sender, in milli-satoshi
*/
*/
void UnsignedChannelUpdate_set_excess_data(struct LDKUnsignedChannelUpdate *NONNULL_PTR this_ptr, struct LDKCVec_u8Z val);
+/**
+ * Constructs a new UnsignedChannelUpdate given each field
+ */
+MUST_USE_RES struct LDKUnsignedChannelUpdate UnsignedChannelUpdate_new(struct LDKThirtyTwoBytes chain_hash_arg, uint64_t short_channel_id_arg, uint32_t timestamp_arg, uint8_t flags_arg, uint16_t cltv_expiry_delta_arg, uint64_t htlc_minimum_msat_arg, uint64_t htlc_maximum_msat_arg, uint32_t fee_base_msat_arg, uint32_t fee_proportional_millionths_arg, struct LDKCVec_u8Z excess_data_arg);
+
/**
* Creates a copy of the UnsignedChannelUpdate
*/
* peer using the init message.
* The user should pass the remote network address of the host they are connected to.
*
- * Note that if an Err is returned here you MUST NOT call socket_disconnected for the new
- * descriptor but must disconnect the connection immediately.
+ * If an `Err` is returned here you must disconnect the connection immediately.
*
* Returns a small number of bytes to send to the remote node (currently always 50).
*
* The user should pass the remote network address of the host they are connected to.
*
* May refuse the connection by returning an Err, but will never write bytes to the remote end
- * (outbound connector always speaks first). Note that if an Err is returned here you MUST NOT
- * call socket_disconnected for the new descriptor but must disconnect the connection
- * immediately.
+ * (outbound connector always speaks first). If an `Err` is returned here you must disconnect
+ * the connection immediately.
*
* Panics if descriptor is duplicative with some other descriptor which has not yet been
* [`socket_disconnected()`].
/**
* The maximum value which may be relayed to the next hop via the channel.
*/
-struct LDKCOption_u64Z ChannelUpdateInfo_get_htlc_maximum_msat(const struct LDKChannelUpdateInfo *NONNULL_PTR this_ptr);
+uint64_t ChannelUpdateInfo_get_htlc_maximum_msat(const struct LDKChannelUpdateInfo *NONNULL_PTR this_ptr);
/**
* The maximum value which may be relayed to the next hop via the channel.
*/
-void ChannelUpdateInfo_set_htlc_maximum_msat(struct LDKChannelUpdateInfo *NONNULL_PTR this_ptr, struct LDKCOption_u64Z val);
+void ChannelUpdateInfo_set_htlc_maximum_msat(struct LDKChannelUpdateInfo *NONNULL_PTR this_ptr, uint64_t val);
/**
* Fees charged when the channel is used for routing
/**
* Constructs a new ChannelUpdateInfo given each field
*/
-MUST_USE_RES struct LDKChannelUpdateInfo ChannelUpdateInfo_new(uint32_t last_update_arg, bool enabled_arg, uint16_t cltv_expiry_delta_arg, uint64_t htlc_minimum_msat_arg, struct LDKCOption_u64Z htlc_maximum_msat_arg, struct LDKRoutingFees fees_arg, struct LDKChannelUpdate last_update_message_arg);
+MUST_USE_RES struct LDKChannelUpdateInfo ChannelUpdateInfo_new(uint32_t last_update_arg, bool enabled_arg, uint16_t cltv_expiry_delta_arg, uint64_t htlc_minimum_msat_arg, uint64_t htlc_maximum_msat_arg, struct LDKRoutingFees fees_arg, struct LDKChannelUpdate last_update_message_arg);
/**
* Creates a copy of the ChannelUpdateInfo
/**
* Utility method to constructs a new Total-variant EffectiveCapacity
*/
-struct LDKEffectiveCapacity EffectiveCapacity_total(uint64_t capacity_msat);
+struct LDKEffectiveCapacity EffectiveCapacity_total(uint64_t capacity_msat, struct LDKCOption_u64Z htlc_maximum_msat);
/**
* Utility method to constructs a new Infinite-variant EffectiveCapacity
* May be invalid or malicious (eg control chars),
* should not be exposed to the user.
*/
-const uint8_t (*NodeAnnouncementInfo_get_alias(const struct LDKNodeAnnouncementInfo *NONNULL_PTR this_ptr))[32];
+struct LDKNodeAlias NodeAnnouncementInfo_get_alias(const struct LDKNodeAnnouncementInfo *NONNULL_PTR this_ptr);
/**
* Moniker assigned to the node.
* May be invalid or malicious (eg control chars),
* should not be exposed to the user.
*/
-void NodeAnnouncementInfo_set_alias(struct LDKNodeAnnouncementInfo *NONNULL_PTR this_ptr, struct LDKThirtyTwoBytes val);
+void NodeAnnouncementInfo_set_alias(struct LDKNodeAnnouncementInfo *NONNULL_PTR this_ptr, struct LDKNodeAlias val);
/**
* Internet-level addresses via which one can connect to the node
/**
* Constructs a new NodeAnnouncementInfo given each field
*/
-MUST_USE_RES struct LDKNodeAnnouncementInfo NodeAnnouncementInfo_new(struct LDKNodeFeatures features_arg, uint32_t last_update_arg, struct LDKThreeBytes rgb_arg, struct LDKThirtyTwoBytes alias_arg, struct LDKCVec_NetAddressZ addresses_arg, struct LDKNodeAnnouncement announcement_message_arg);
+MUST_USE_RES struct LDKNodeAnnouncementInfo NodeAnnouncementInfo_new(struct LDKNodeFeatures features_arg, uint32_t last_update_arg, struct LDKThreeBytes rgb_arg, struct LDKNodeAlias alias_arg, struct LDKCVec_NetAddressZ addresses_arg, struct LDKNodeAnnouncement announcement_message_arg);
/**
* Creates a copy of the NodeAnnouncementInfo
*/
struct LDKCResult_NodeAnnouncementInfoDecodeErrorZ NodeAnnouncementInfo_read(struct LDKu8slice ser);
+/**
+ * Frees any resources used by the NodeAlias, if is_owned is set and inner is non-NULL.
+ */
+void NodeAlias_free(struct LDKNodeAlias this_obj);
+
+const uint8_t (*NodeAlias_get_a(const struct LDKNodeAlias *NONNULL_PTR this_ptr))[32];
+
+void NodeAlias_set_a(struct LDKNodeAlias *NONNULL_PTR this_ptr, struct LDKThirtyTwoBytes val);
+
+/**
+ * Constructs a new NodeAlias given each field
+ */
+MUST_USE_RES struct LDKNodeAlias NodeAlias_new(struct LDKThirtyTwoBytes a_arg);
+
+/**
+ * Creates a copy of the NodeAlias
+ */
+struct LDKNodeAlias NodeAlias_clone(const struct LDKNodeAlias *NONNULL_PTR orig);
+
+/**
+ * Serialize the NodeAlias object into a byte array which can be read by NodeAlias_read
+ */
+struct LDKCVec_u8Z NodeAlias_write(const struct LDKNodeAlias *NONNULL_PTR obj);
+
+/**
+ * Read a NodeAlias from a byte array, created by NodeAlias_write
+ */
+struct LDKCResult_NodeAliasDecodeErrorZ NodeAlias_read(struct LDKu8slice ser);
+
/**
* Frees any resources used by the NodeInfo, if is_owned is set and inner is non-NULL.
*/
*/
MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel_unsigned(const struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedChannelUpdate *NONNULL_PTR msg);
+/**
+ * Returns information on a channel with the given id.
+ *
+ * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+MUST_USE_RES struct LDKChannelInfo ReadOnlyNetworkGraph_channel(const struct LDKReadOnlyNetworkGraph *NONNULL_PTR this_arg, uint64_t short_channel_id);
+
+/**
+ * Returns information on a node with the given id.
+ *
+ * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+MUST_USE_RES struct LDKNodeInfo ReadOnlyNetworkGraph_node(const struct LDKReadOnlyNetworkGraph *NONNULL_PTR this_arg, const struct LDKNodeId *NONNULL_PTR node_id);
+
/**
* Get network addresses by node id.
* Returns None if the requested node is completely unknown,
/**
* The maximum total CLTV delta we accept for the route.
+ * Defaults to [`DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA`].
*/
uint32_t PaymentParameters_get_max_total_cltv_expiry_delta(const struct LDKPaymentParameters *NONNULL_PTR this_ptr);
/**
* The maximum total CLTV delta we accept for the route.
+ * Defaults to [`DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA`].
*/
void PaymentParameters_set_max_total_cltv_expiry_delta(struct LDKPaymentParameters *NONNULL_PTR this_ptr, uint32_t val);
+/**
+ * The maximum number of paths that may be used by (MPP) payments.
+ * Defaults to [`DEFAULT_MAX_PATH_COUNT`].
+ */
+uint8_t PaymentParameters_get_max_path_count(const struct LDKPaymentParameters *NONNULL_PTR this_ptr);
+
+/**
+ * The maximum number of paths that may be used by (MPP) payments.
+ * Defaults to [`DEFAULT_MAX_PATH_COUNT`].
+ */
+void PaymentParameters_set_max_path_count(struct LDKPaymentParameters *NONNULL_PTR this_ptr, uint8_t val);
+
+/**
+ * Selects the maximum share of a channel's total capacity which will be sent over a channel,
+ * as a power of 1/2. A higher value prefers to send the payment using more MPP parts whereas
+ * a lower value prefers to send larger MPP parts, potentially saturating channels and
+ * increasing failure probability for those paths.
+ *
+ * Note that this restriction will be relaxed during pathfinding after paths which meet this
+ * restriction have been found. While paths which meet this criteria will be searched for, it
+ * is ultimately up to the scorer to select them over other paths.
+ *
+ * A value of 0 will allow payments up to and including a channel's total announced usable
+ * capacity, a value of one will only use up to half its capacity, two 1/4, etc.
+ *
+ * Default value: 2
+ */
+uint8_t PaymentParameters_get_max_channel_saturation_power_of_half(const struct LDKPaymentParameters *NONNULL_PTR this_ptr);
+
+/**
+ * Selects the maximum share of a channel's total capacity which will be sent over a channel,
+ * as a power of 1/2. A higher value prefers to send the payment using more MPP parts whereas
+ * a lower value prefers to send larger MPP parts, potentially saturating channels and
+ * increasing failure probability for those paths.
+ *
+ * Note that this restriction will be relaxed during pathfinding after paths which meet this
+ * restriction have been found. While paths which meet this criteria will be searched for, it
+ * is ultimately up to the scorer to select them over other paths.
+ *
+ * A value of 0 will allow payments up to and including a channel's total announced usable
+ * capacity, a value of one will only use up to half its capacity, two 1/4, etc.
+ *
+ * Default value: 2
+ */
+void PaymentParameters_set_max_channel_saturation_power_of_half(struct LDKPaymentParameters *NONNULL_PTR this_ptr, uint8_t val);
+
+/**
+ * A list of SCIDs which this payment was previously attempted over and which caused the
+ * payment to fail. Future attempts for the same payment shouldn't be relayed through any of
+ * these SCIDs.
+ */
+void PaymentParameters_set_previously_failed_channels(struct LDKPaymentParameters *NONNULL_PTR this_ptr, struct LDKCVec_u64Z val);
+
/**
* Constructs a new PaymentParameters given each field
*/
-MUST_USE_RES struct LDKPaymentParameters PaymentParameters_new(struct LDKPublicKey payee_pubkey_arg, struct LDKInvoiceFeatures features_arg, struct LDKCVec_RouteHintZ route_hints_arg, struct LDKCOption_u64Z expiry_time_arg, uint32_t max_total_cltv_expiry_delta_arg);
+MUST_USE_RES struct LDKPaymentParameters PaymentParameters_new(struct LDKPublicKey payee_pubkey_arg, struct LDKInvoiceFeatures features_arg, struct LDKCVec_RouteHintZ route_hints_arg, struct LDKCOption_u64Z expiry_time_arg, uint32_t max_total_cltv_expiry_delta_arg, uint8_t max_path_count_arg, uint8_t max_channel_saturation_power_of_half_arg, struct LDKCVec_u64Z previously_failed_channels_arg);
/**
* Creates a copy of the PaymentParameters
*/
void ProbabilisticScoringParameters_set_base_penalty_msat(struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr, uint64_t val);
+/**
+ * A multiplier used with the payment amount to calculate a fixed penalty applied to each
+ * channel, in excess of the [`base_penalty_msat`].
+ *
+ * The purpose of the amount penalty is to avoid having fees dominate the channel cost (i.e.,
+ * fees plus penalty) for large payments. The penalty is computed as the product of this
+ * multiplier and `2^30`ths of the payment amount.
+ *
+ * ie `base_penalty_amount_multiplier_msat * amount_msat / 2^30`
+ *
+ * Default value: 8,192 msat
+ *
+ * [`base_penalty_msat`]: Self::base_penalty_msat
+ */
+uint64_t ProbabilisticScoringParameters_get_base_penalty_amount_multiplier_msat(const struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr);
+
+/**
+ * A multiplier used with the payment amount to calculate a fixed penalty applied to each
+ * channel, in excess of the [`base_penalty_msat`].
+ *
+ * The purpose of the amount penalty is to avoid having fees dominate the channel cost (i.e.,
+ * fees plus penalty) for large payments. The penalty is computed as the product of this
+ * multiplier and `2^30`ths of the payment amount.
+ *
+ * ie `base_penalty_amount_multiplier_msat * amount_msat / 2^30`
+ *
+ * Default value: 8,192 msat
+ *
+ * [`base_penalty_msat`]: Self::base_penalty_msat
+ */
+void ProbabilisticScoringParameters_set_base_penalty_amount_multiplier_msat(struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr, uint64_t val);
+
/**
* A multiplier used in conjunction with the negative `log10` of the channel's success
* probability for a payment to determine the liquidity penalty.
* multiplier and `2^20`ths of the payment amount, weighted by the negative `log10` of the
* success probability.
*
- * `-log10(success_probability) * amount_penalty_multiplier_msat * amount_msat / 2^20`
+ * `-log10(success_probability) * liquidity_penalty_amount_multiplier_msat * amount_msat / 2^20`
*
* In practice, this means for 0.1 success probability (`-log10(0.1) == 1`) each `2^20`th of
* the amount will result in a penalty of the multiplier. And, as the success probability
*
* Default value: 256 msat
*/
-uint64_t ProbabilisticScoringParameters_get_amount_penalty_multiplier_msat(const struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr);
+uint64_t ProbabilisticScoringParameters_get_liquidity_penalty_amount_multiplier_msat(const struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr);
/**
* A multiplier used in conjunction with a payment amount and the negative `log10` of the
* multiplier and `2^20`ths of the payment amount, weighted by the negative `log10` of the
* success probability.
*
- * `-log10(success_probability) * amount_penalty_multiplier_msat * amount_msat / 2^20`
+ * `-log10(success_probability) * liquidity_penalty_amount_multiplier_msat * amount_msat / 2^20`
*
* In practice, this means for 0.1 success probability (`-log10(0.1) == 1`) each `2^20`th of
* the amount will result in a penalty of the multiplier. And, as the success probability
*
* Default value: 256 msat
*/
-void ProbabilisticScoringParameters_set_amount_penalty_multiplier_msat(struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr, uint64_t val);
+void ProbabilisticScoringParameters_set_liquidity_penalty_amount_multiplier_msat(struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr, uint64_t val);
+
+/**
+ * This penalty is applied when `htlc_maximum_msat` is equal to or larger than half of the
+ * channel's capacity, which makes us prefer nodes with a smaller `htlc_maximum_msat`. We
+ * treat such nodes preferentially as this makes balance discovery attacks harder to execute,
+ * thereby creating an incentive to restrict `htlc_maximum_msat` and improve privacy.
+ *
+ * Default value: 250 msat
+ */
+uint64_t ProbabilisticScoringParameters_get_anti_probing_penalty_msat(const struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr);
+
+/**
+ * This penalty is applied when `htlc_maximum_msat` is equal to or larger than half of the
+ * channel's capacity, which makes us prefer nodes with a smaller `htlc_maximum_msat`. We
+ * treat such nodes preferentially as this makes balance discovery attacks harder to execute,
+ * thereby creating an incentive to restrict `htlc_maximum_msat` and improve privacy.
+ *
+ * Default value: 250 msat
+ */
+void ProbabilisticScoringParameters_set_anti_probing_penalty_msat(struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr, uint64_t val);
/**
- * Constructs a new ProbabilisticScoringParameters given each field
+ * This penalty is applied when the amount we're attempting to send over a channel exceeds our
+ * current estimate of the channel's available liquidity.
+ *
+ * Note that in this case all other penalties, including the
+ * [`liquidity_penalty_multiplier_msat`] and [`liquidity_penalty_amount_multiplier_msat`]-based
+ * penalties, as well as the [`base_penalty_msat`] and the [`anti_probing_penalty_msat`], if
+ * applicable, are still included in the overall penalty.
+ *
+ * If you wish to avoid creating paths with such channels entirely, setting this to a value of
+ * `u64::max_value()` will guarantee that.
+ *
+ * Default value: 1_0000_0000_000 msat (1 Bitcoin)
+ *
+ * [`liquidity_penalty_multiplier_msat`]: Self::liquidity_penalty_multiplier_msat
+ * [`liquidity_penalty_amount_multiplier_msat`]: Self::liquidity_penalty_amount_multiplier_msat
+ * [`base_penalty_msat`]: Self::base_penalty_msat
+ * [`anti_probing_penalty_msat`]: Self::anti_probing_penalty_msat
+ */
+uint64_t ProbabilisticScoringParameters_get_considered_impossible_penalty_msat(const struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr);
+
+/**
+ * This penalty is applied when the amount we're attempting to send over a channel exceeds our
+ * current estimate of the channel's available liquidity.
+ *
+ * Note that in this case all other penalties, including the
+ * [`liquidity_penalty_multiplier_msat`] and [`liquidity_penalty_amount_multiplier_msat`]-based
+ * penalties, as well as the [`base_penalty_msat`] and the [`anti_probing_penalty_msat`], if
+ * applicable, are still included in the overall penalty.
+ *
+ * If you wish to avoid creating paths with such channels entirely, setting this to a value of
+ * `u64::max_value()` will guarantee that.
+ *
+ * Default value: 1_0000_0000_000 msat (1 Bitcoin)
+ *
+ * [`liquidity_penalty_multiplier_msat`]: Self::liquidity_penalty_multiplier_msat
+ * [`liquidity_penalty_amount_multiplier_msat`]: Self::liquidity_penalty_amount_multiplier_msat
+ * [`base_penalty_msat`]: Self::base_penalty_msat
+ * [`anti_probing_penalty_msat`]: Self::anti_probing_penalty_msat
*/
-MUST_USE_RES struct LDKProbabilisticScoringParameters ProbabilisticScoringParameters_new(uint64_t base_penalty_msat_arg, uint64_t liquidity_penalty_multiplier_msat_arg, uint64_t liquidity_offset_half_life_arg, uint64_t amount_penalty_multiplier_msat_arg);
+void ProbabilisticScoringParameters_set_considered_impossible_penalty_msat(struct LDKProbabilisticScoringParameters *NONNULL_PTR this_ptr, uint64_t val);
/**
* Creates a copy of the ProbabilisticScoringParameters
*/
void ProbabilisticScorer_debug_log_liquidity_stats(const struct LDKProbabilisticScorer *NONNULL_PTR this_arg);
+/**
+ * Query the estimated minimum and maximum liquidity available for sending a payment over the
+ * channel with `scid` towards the given `target` node.
+ */
+MUST_USE_RES struct LDKCOption_C2Tuple_u64u64ZZ ProbabilisticScorer_estimated_channel_liquidity_range(const struct LDKProbabilisticScorer *NONNULL_PTR this_arg, uint64_t scid, const struct LDKNodeId *NONNULL_PTR target);
+
+/**
+ * Marks the node with the given `node_id` as banned, i.e.,
+ * it will be avoided during path finding.
+ */
+void ProbabilisticScorer_add_banned(struct LDKProbabilisticScorer *NONNULL_PTR this_arg, const struct LDKNodeId *NONNULL_PTR node_id);
+
+/**
+ * Removes the node with the given `node_id` from the list of nodes to avoid.
+ */
+void ProbabilisticScorer_remove_banned(struct LDKProbabilisticScorer *NONNULL_PTR this_arg, const struct LDKNodeId *NONNULL_PTR node_id);
+
+/**
+ * Sets a manual penalty for the given node.
+ */
+void ProbabilisticScorer_set_manual_penalty(struct LDKProbabilisticScorer *NONNULL_PTR this_arg, const struct LDKNodeId *NONNULL_PTR node_id, uint64_t penalty);
+
+/**
+ * Removes the node with the given `node_id` from the list of manual penalties.
+ */
+void ProbabilisticScorer_remove_manual_penalty(struct LDKProbabilisticScorer *NONNULL_PTR this_arg, const struct LDKNodeId *NONNULL_PTR node_id);
+
+/**
+ * Clears the list of manual penalties that are applied during path finding.
+ */
+void ProbabilisticScorer_clear_manual_penalties(struct LDKProbabilisticScorer *NONNULL_PTR this_arg);
+
+/**
+ * Marks all nodes in the given list as banned, i.e.,
+ * they will be avoided during path finding.
+ */
+void ProbabilisticScoringParameters_add_banned_from_list(struct LDKProbabilisticScoringParameters *NONNULL_PTR this_arg, struct LDKCVec_NodeIdZ node_ids);
+
/**
* Creates a "default" ProbabilisticScoringParameters. See struct and individual field documentaiton for details on which values are used.
*/
*
* # Rapid Gossip Sync
*
- * If rapid gossip sync is meant to run at startup, pass a [`RapidGossipSync`] to `gossip_sync`
+ * If rapid gossip sync is meant to run at startup, pass [`RapidGossipSync`] via `gossip_sync`
* to indicate that the [`BackgroundProcessor`] should not prune the [`NetworkGraph`] instance
* until the [`RapidGossipSync`] instance completes its first sync.
*
projects / ldk-c-bindings / blobdiff